/*
 * Copyright 2007 - 2025 Ralf Wisser.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.sf.jailer.ui.databrowser.metadata;

import javax.swing.JComponent;
import javax.swing.JLabel;

import net.sf.jailer.ExecutionContext;
import net.sf.jailer.database.Session;

/**
 * Information about a database object other than schemas or tables.
 * 
 * @author Ralf Wisser
 */
public abstract class MDGeneric extends MDObject {

	private JComponent render;
	
	/**
	 * Constructor.
	 * 
	 * @param name the object name
	 */
	public MDGeneric(String name, MetaDataSource metaDataSource) {
		super(name, metaDataSource);
	}

	/**
	 * Gets the render of the database object.
	 * 
	 * @return render of the database object
	 */
	public final JComponent getRender(Session session, ExecutionContext executionContext) {
		if (render == null) {
			try {
				render = createRender(session, executionContext);
			} catch (Throwable t) {
				t.printStackTrace();
				render = new JLabel("Error: " + t.getMessage());
			}
		}
		return render;
	}

	/**
	 * creates the render of the database object.
	 * 
	 * @return render of the database object
	 */
	public abstract JComponent createRender(Session session, ExecutionContext executionContext) throws Exception;

}
